Abstract:In this paper, design and implementation of an adaptive feed-forward controller for micro/nanopositioning control of piezoelectric actuator (PEA) is described. Discrete-time Dahl hysteresis-based mathematical model of the PEA is developed and the values of the model parameters are estimated through an autoregressive with exogenous terms (ARX) model identification technique using experimental input-output data. A recursive least-square estimator (RLSE)-based adaptive feed-forward (FF) controller is proposed, wh… Show more
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